juha writes:

> this kind of questions have been asked many times on this list.  search
> archive for responses.

you are right maybe but it is hard to search the archieve. And if it is easier to say "serach" than please show me way to search the arcieve quickly. 
In this link I m trying to search archieve month by month: http://lists.sip-router.org/pipermail/sr-users/
I m new and thanks your kind help...